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Grade N7M Nickel vs. SAE-AISI P5 Steel

Grade N7M nickel belongs to the nickel alloys classification, while SAE-AISI P5 steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade N7M nickel and the bottom bar is SAE-AISI P5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
190
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 85
73
Tensile Strength: Ultimate (UTS), MPa 590
370 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Melting Completion (Liquidus), °C 1650
1460
Melting Onset (Solidus), °C 1590
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.8
Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 16
1.5
Embodied Energy, MJ/kg 200
20
Embodied Water, L/kg 270
56

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 22
24
Strength to Weight: Axial, points 18
13 to 70
Strength to Weight: Bending, points 17
15 to 45
Thermal Shock Resistance, points 19
12 to 65

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 0 to 1.0
2.0 to 2.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 3.0
95.7 to 97.8
Manganese (Mn), % 0 to 1.0
0.2 to 0.6
Molybdenum (Mo), % 30 to 33
0
Nickel (Ni), % 60.9 to 70
0 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030